Big Bird Goes to Japan. That film is weird af and terrifying for a young child.

A film adaptation of Dennis Wheatley's 'The Devil Rides Out'. I was only about 12 and should have been scared, or at least bemused, by the occult but I was fascinated and then immersed myself in everything Dennis Wheatley. I was probably closer to Lucifer than JC lol I also found out that Charles Grey has one of the most sinister voices

Idiocracy! ?

I really like the movie, think it's funny but people that buy into the premise too much scare me. Ok, they don't scare me, but I think are annoying elitist.

Ransom (starring Mel Gibson, Rene Russo, and Gary Sinise).

Whenever I watch it, I cannot help imagining myself as that kidnapped boy.

For some reason 'The Power' really resonated with me. It scared me back then and I still enjoy it occasionally today.

"On the Beach" Gregory Peck.
[en.wikipedia.org]

Hmmm , not necessarily a movie but. A scene, in one Star Trek 2 , critter scene lols..